cp -r  server/views/world/test/*  ~/.gazebo/models/test/
cp -r  doc/models/*  ~/.gazebo/models/
cp -r  server/views/world/test/*  /home/lvxun/mini4w_ws/src/wheeltec_description/worlds/models/test/
cp -r  server/views/world/test.world  /home/lvxun/mini4w_ws/src/wheeltec_description/worlds/
cp -r  server/views/world/test.launch  /home/lvxun/mini4w_ws/src/wheeltec_description/launch/
